Fix single emtpy .ics file issue

The function responsible for determining the file
name for the .ics files was not handling paths properly,
resulting in a single .ics file being generated. This
fixes the issue and also tweaks the INFO output a bit.

Change-Id: Ib620cf5d683f74b3d5066e6e6ce75e1b7e36ed1d
Merge "Fix single emtpy .ics file issue"